[INFO] fetching crate freenukum 0.3.5...
[INFO] checking freenukum-0.3.5 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate freenukum 0.3.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate freenukum 0.3.5 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freenukum 0.3.5
[INFO] finished tweaking crates.io crate freenukum 0.3.5
[INFO] tweaked toml for crates.io crate freenukum 0.3.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate freenukum 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f61b8059a97a190fe7234ebfad07df7dfc2f3c01e6a905d37714c0309208ca5b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f61b8059a97a190fe7234ebfad07df7dfc2f3c01e6a905d37714c0309208ca5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f61b8059a97a190fe7234ebfad07df7dfc2f3c01e6a905d37714c0309208ca5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61b8059a97a190fe7234ebfad07df7dfc2f3c01e6a905d37714c0309208ca5b", kill_on_drop: false }`
[INFO] [stdout] f61b8059a97a190fe7234ebfad07df7dfc2f3c01e6a905d37714c0309208ca5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a37ad89a649c3bc007d411121b5d419aebeefd6d4f786a48f94ecc49e8526a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a37ad89a649c3bc007d411121b5d419aebeefd6d4f786a48f94ecc49e8526a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking explode v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking freenukum v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.01s
[INFO] running `Command { std: "docker" "inspect" "2a37ad89a649c3bc007d411121b5d419aebeefd6d4f786a48f94ecc49e8526a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a37ad89a649c3bc007d411121b5d419aebeefd6d4f786a48f94ecc49e8526a3", kill_on_drop: false }`
[INFO] [stdout] 2a37ad89a649c3bc007d411121b5d419aebeefd6d4f786a48f94ecc49e8526a3